Intel Core i3-8109U vs AMD A8-3820

Last updated: 2024-04-16

CPU comparison with benchmarks


Intel Core i3-8109U		AMD A8-3820
CPU comparison Intel Core i3-8109U or AMD A8-3820 - which processor is faster? In this comparison we look at the differences and analyze which of these two CPUs is better. We compare the technical data and benchmark results. The Intel Core i3-8109U has 2 cores with 4 threads and clocks with a maximum frequency of 3.60 GHz. Up to 32 GB of memory is supported in 2 memory channels. The Intel Core i3-8109U was released in Q4/2017. The AMD A8-3820 has 4 cores with 4 threads and clocks with a maximum frequency of 2.80 GHz. The CPU supports up to GB of memory in 2 memory channels. The AMD A8-3820 was released in Q4/2011.

Intel Core i3 (205)	Family	AMD A (112)
Intel Core i 8000U (8)	CPU group	AMD A8-3000 (4)
8	Generation	1
Coffee Lake U	Architecture	Llano (K10)
Mobile	Segment	Desktop / Server
--	Predecessor	--
--	Successor	--

CPU Cores and Base Frequency The Intel Core i3-8109U is a 2 core processor with a clock frequency of 3.00 GHz (3.60 GHz). The AMD A8-3820 has 4 CPU cores with a clock frequency of 2.50 GHz (2.80 GHz).
Intel Core i3-8109U	Characteristic	AMD A8-3820
2	Cores	4
4	Threads	4
normal	Core architecture	normal
Yes	Hyperthreading	No
No	Overclocking ?	Yes
3.00 GHz	Frequency	2.50 GHz
3.60 GHz	Turbo Frequency (1 Core)	2.80 GHz
3.20 GHz	Turbo Frequency (All Cores)	2.80 GHz

Artificial Intelligence and Machine Learning Processors with the support of artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors. Algorithms for ML improve their performance the more data they have collected via software. ML tasks can be processed up to 10,000 times faster than with a classic processor.
Intel Core i3-8109U	Characteristic	AMD A8-3820
--	AI hardware	--
--	AI specifications	--

Internal Graphics The integrated graphics unit of a processor is not only responsible for the pure image output on the system, but can also significantly increase the efficiency of the system with the support of modern video codecs.
Intel Iris Plus Graphics 655	GPU	AMD Radeon HD 6550D
0.30 GHz	GPU frequency	0.60 GHz
1.05 GHz	GPU (Turbo)	--
9.5	GPU Generation	3
14 nm	Technology	32 nm
3	Max. displays	2
48	Compute units	5
384	Shader	400
No	Hardware Raytracing	No
No	Frame Generation	No
32 GB	Max. GPU Memory	1 GB
12	DirectX Version	11

Hardware codec support A photo or video codec that is accelerated in hardware can greatly accelerate the working speed of a processor and extend the battery life of notebooks or smartphones when playing videos.
Intel Iris Plus Graphics 655	GPU	AMD Radeon HD 6550D
Decode / Encode	Codec h265 / HEVC (8 bit)	No
Decode / Encode	Codec h265 / HEVC (10 bit)	No
Decode / Encode	Codec h264	Decode
Decode / Encode	Codec VP9	No
Decode / Encode	Codec VP8	No
No	Codec AV1	No
Decode / Encode	Codec AVC	Decode
Decode	Codec VC-1	Decode
Decode / Encode	Codec JPEG	Decode / Encode

Memory & PCIe The Intel Core i3-8109U supports a maximum of 32 GB of memory in 2 memory channels. The AMD A8-3820 can connect up to GB of memory in 2 memory channels.
Intel Core i3-8109U	Characteristic	AMD A8-3820
LPDDR3-2133, DDR4-2400	Memory	DDR3-1600
32 GB	Max. Memory
2 (Dual Channel)	Memory channels	2 (Dual Channel)
38.4 GB/s	Max. Bandwidth	25.6 GB/s
Yes	ECC	No
--	L2 Cache	--
4.00 MB	L3 Cache	4.00 MB
3.0	PCIe version	--
16	PCIe lanes	--
15.8 GB/s	PCIe Bandwidth	--
Thermal Management The TDP (Thermal Design Power) of a processor specifies the required cooling solution. The Intel Core i3-8109U has a TDP of 28 W, that of the AMD A8-3820 is 65 W.
Intel Core i3-8109U	Characteristic	AMD A8-3820
28 W	TDP (PL1 / PBP)	65 W
--	TDP (PL2)	--
--	TDP up	--
20 W	TDP down	--
100 °C	Tjunction max.	--
Technical details The Intel Core i3-8109U has a 4.00 MB cache, while the AMD A8-3820 cache has a total of 4.00 MB.
Intel Core i3-8109U	Characteristic	AMD A8-3820
14 nm	Technology	32 nm
Monolithic	Chip design	Unknown
x86-64 (64 bit)	Instruction set (ISA)	x86-64 (64 bit)
SSE4.1, SSE4.2, AVX2	ISA extensions	SSE3, SSE4a
BGA 1528	Socket	FM1
VT-x, VT-x EPT, VT-d	Virtualization	AMD-V
Yes	AES-NI	No
Windows 10, Windows 11, Linux	Operating systems	Windows 10, Linux
Q4/2017	Release date	Q4/2011
--	Release price	85 $

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Intel Core i3-8109U 2C 4T @ 3.00 GHz (3.60 GHz) buy now on Amazon and save! AMD A8-3820 4C 4T @ 2.50 GHz (2.80 GHz) buy now on Amazon and save!

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Average performance in benchmarks

⌀ Single core performance in 1 CPU benchmarks

Intel Core i3-8109U (100%)

AMD A8-3820 (40%)

⌀ Multi core performance in 2 CPU benchmarks

Intel Core i3-8109U (100%)

AMD A8-3820 (57%)

Geekbench 5, 64bit (Single-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.


	Intel Core i3-8109U 2C 4T @ 3.60 GHz	881 (100%)
	AMD A8-3820 4C 4T @ 2.80 GHz	354 (40%)

Geekbench 5, 64bit (Multi-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.


	Intel Core i3-8109U 2C 4T @ 3.20 GHz	2021 (100%)
	AMD A8-3820 4C 4T @ 2.80 GHz	1264 (63%)

iGPU - FP32 Performance (Single-precision GFLOPS)

The theoretical computing performance of the internal graphics unit of the processor with simple accuracy (32 bit) in GFLOPS. GFLOPS indicates how many billion floating point operations the iGPU can perform per second.


	Intel Core i3-8109U Intel Iris Plus Graphics 655 @ 1.05 GHz	806 (100%)
	AMD A8-3820 AMD Radeon HD 6550D @ 0.60 GHz	480 (60%)

Estimated results for PassMark CPU Mark

Some of the CPUs listed below have been benchmarked by CPU-monkey. However the majority of CPUs have not been tested and the results have been estimated by a CPU-monkey’s secret proprietary formula. As such they do not accurately reflect the actual Passmark CPU mark values and are not endorsed by PassMark Software Pty Ltd.


	Intel Core i3-8109U 2C 4T @ 3.20 GHz	4268 (100%)
	AMD A8-3820 4C 4T @ 2.80 GHz	2162 (51%)

Cinebench 2024 (Single-Core)

The Cinebench 2024 benchmark is based on the Redshift rendering engine, which is also used in Maxon's 3D program Cinema 4D. The benchmark runs are each 10 minutes long to test whether the processor is limited by its heat generation.


	Intel Core i3-8109U 2C 4T @ 3.60 GHz	55 (100%)
	AMD A8-3820 4C 4T @ 2.80 GHz	0 (0%)

Cinebench 2024 (Multi-Core)

The Multi-Core test of the Cinebench 2024 benchmark uses all cpu cores to render using the Redshift rendering engine, which is also used in Maxons Cinema 4D. The benchmark run is 10 minutes long to test whether the processor is limited by its heat generation.


	Intel Core i3-8109U 2C 4T @ 3.60 GHz	107 (100%)
	AMD A8-3820 4C 4T @ 2.80 GHz	0 (0%)

Geekbench 6 (Single-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The single-core benchmark only evaluates the performance of the fastest CPU core, the number of CPU cores in a processor is irrelevant here.


	Intel Core i3-8109U 2C 4T @ 3.60 GHz	1185 (100%)
	AMD A8-3820 4C 4T @ 2.80 GHz	0 (0%)

Geekbench 6 (Multi-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The multi-core benchmark evaluates the performance of all of the processor's CPU cores. Virtual thread improvements such as AMD SMT or Intel's Hyper-Threading have a positive impact on the benchmark result.


	Intel Core i3-8109U 2C 4T @ 3.20 GHz	2524 (100%)
	AMD A8-3820 4C 4T @ 2.80 GHz	0 (0%)

Cinebench R20 (Single-Core)

Cinebench R20 is the successor of Cinebench R15 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.


	Intel Core i3-8109U 2C 4T @ 3.60 GHz	366 (100%)
	AMD A8-3820 4C 4T @ 2.80 GHz	0 (0%)

Cinebench R20 (Multi-Core)

Cinebench R20 is the successor of Cinebench R15 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.


	Intel Core i3-8109U 2C 4T @ 3.20 GHz	916 (100%)
	AMD A8-3820 4C 4T @ 2.80 GHz	0 (0%)

Cinebench R15 (Single-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.


	Intel Core i3-8109U 2C 4T @ 3.60 GHz	153 (100%)
	AMD A8-3820 4C 4T @ 2.80 GHz	0 (0%)

Cinebench R15 (Multi-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.


	Intel Core i3-8109U 2C 4T @ 3.20 GHz	381 (100%)
	AMD A8-3820 4C 4T @ 2.80 GHz	0 (0%)

Devices using this processor
Intel Core i3-8109U	AMD A8-3820
Unknown	Unknown

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